Heating exchanger cover



FIG. 1 is a top, front, and right side perspective view of a heatingexchanger cover showing our new design;

FIG. 2 is a top, front perspective view of the heating exchanger coverof FIG. 1;

FIG. 3 is a top, right side, and front perspective view of the heatingexchanger cover of FIG. 1; and,

FIG. 4 is an enlarged top and partial front right perspective view ofthe heating exchanger cover of FIG. 1.

CLAIM The ornamental design for a heating exchanger cover, as shown anddescribed.